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| 放电等离子烧结ZrB_2-YAG-Al_2O_3复相陶瓷的氧化性能 | |
| 引用本文： | 宋杰光,王秀琴,李养良,陈清宇,于福义,白小波,张联盟.放电等离子烧结ZrB_2-YAG-Al_2O_3复相陶瓷的氧化性能[J].材料热处理学报,2010,31(4). |
| 作者姓名： | 宋杰光 王秀琴 李养良 陈清宇 于福义 白小波 张联盟 |
| 作者单位： | 1. 九江学院机械与材料工程学院,江西,九江,332005 2. 九江学院图书馆,江西,九江,332005 3. 武汉理工大学材料复合新技术国家重点实验室,湖北,武汉,430070 |
| 基金项目： | 国家重点基础研究发展规划(973计划)，江西省教育厅青年科学基金 |
| 摘 要： | 通过共沉淀法获得包覆式Al2O3-Y2O3/ZrB2复合粉体并对其进行放电等离子烧结来提高ZrB2陶瓷的烧结致密度和高温抗氧化能力。研究表明:通过引入YAG-Al2O3制备的陶瓷和纯ZrB2陶瓷相比,在相同氧化条件下得到的氧化层厚度有所变薄,说明通过引入YAG-Al2O3可以改善ZrB2陶瓷的抗氧化性能。在相同氧化条件下,引入Al2O3越多的陶瓷氧化层厚度越小。 |
| 关 键 词： | ZrB2陶瓷 复相陶瓷 氧化性能 放电等离子烧结 |
Oxidation resistance of ZrB2-YAG-Al2O3 composite ceramics fabricated by spark plasma sintering |
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| SONG Jie-guang,WANG Xiu-qin,LI Yang-liang,CHEN Qing-yu,YU Fu-yi,BAI Xiao-bo,ZHANG Lian-meng.Oxidation resistance of ZrB2-YAG-Al2O3 composite ceramics fabricated by spark plasma sintering[J].Transactions of Materials and Heat Treatment,2010,31(4). | |
| Authors: | SONG Jie-guang WANG Xiu-qin LI Yang-liang CHEN Qing-yu YU Fu-yi BAI Xiao-bo ZHANG Lian-meng |
| Abstract: | The composite ceramic powders ZrB2 coated with Al2O3-Y2O3 prepared by co-precipitation method were densified by spark plasma sintering(SPS)and the oxidation resistance of the ceramics at high temperature was investigated,and phases and morphology of the oxidized layer of the ceramics were examined by X-ray diffraction(XRD)and electron probe micro analyzer(EPMA).The results indicate that the oxidation resistance of ZrB2 ceramics with addition of YAG-Al2O3 at high temperature is increased compared to that of pure ZrB2 ceramics.With the increase of Al2O3 content,the better oxidation resistance of ZrB2-YAG-Al2O3 composite ceramics is observed. |
| Keywords: | YAG ZrB2 ceramics YAG composite ceramics oxidation resistance spark plasma sintering(SPS) |
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